/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/goblint-regression/28-race_reach_02-simple_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 13:56:03,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 13:56:03,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 13:56:03,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 13:56:03,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 13:56:03,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 13:56:03,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 13:56:03,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 13:56:03,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 13:56:03,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 13:56:04,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 13:56:04,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 13:56:04,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 13:56:04,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 13:56:04,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 13:56:04,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 13:56:04,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 13:56:04,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 13:56:04,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 13:56:04,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 13:56:04,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 13:56:04,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 13:56:04,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 13:56:04,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 13:56:04,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 13:56:04,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 13:56:04,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 13:56:04,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 13:56:04,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 13:56:04,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 13:56:04,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 13:56:04,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 13:56:04,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 13:56:04,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 13:56:04,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 13:56:04,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 13:56:04,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 13:56:04,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 13:56:04,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 13:56:04,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 13:56:04,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 13:56:04,088 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 13:56:04,140 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 13:56:04,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 13:56:04,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 13:56:04,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 13:56:04,146 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 13:56:04,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 13:56:04,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 13:56:04,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 13:56:04,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 13:56:04,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 13:56:04,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 13:56:04,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 13:56:04,149 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 13:56:04,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 13:56:04,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 13:56:04,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 13:56:04,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 13:56:04,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 13:56:04,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 13:56:04,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 13:56:04,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 13:56:04,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 13:56:04,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 13:56:04,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 13:56:04,151 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 13:56:04,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 13:56:04,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 13:56:04,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 13:56:04,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 13:56:04,637 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 13:56:04,638 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 13:56:04,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_02-simple_racefree.i [2020-12-23 13:56:04,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/798b49337/2dd65c7d84374beaa49f588fffbdba6e/FLAGf2b5b7e5c [2020-12-23 13:56:05,524 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 13:56:05,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_02-simple_racefree.i [2020-12-23 13:56:05,541 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/798b49337/2dd65c7d84374beaa49f588fffbdba6e/FLAGf2b5b7e5c [2020-12-23 13:56:05,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/798b49337/2dd65c7d84374beaa49f588fffbdba6e [2020-12-23 13:56:05,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 13:56:05,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 13:56:05,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 13:56:05,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 13:56:05,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 13:56:05,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:56:05" (1/1) ... [2020-12-23 13:56:05,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd35fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:56:05, skipping insertion in model container [2020-12-23 13:56:05,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:56:05" (1/1) ... [2020-12-23 13:56:05,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 13:56:05,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 13:56:06,131 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_02-simple_racefree.i[29913,29926] [2020-12-23 13:56:06,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:56:06,170 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 13:56:06,218 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_02-simple_racefree.i[29913,29926] [2020-12-23 13:56:06,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:56:06,364 INFO L208 MainTranslator]: Completed translation [2020-12-23 13:56:06,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:56:06 WrapperNode [2020-12-23 13:56:06,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 13:56:06,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 13:56:06,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 13:56:06,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 13:56:06,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:56:06" (1/1) ... [2020-12-23 13:56:06,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:56:06" (1/1) ... [2020-12-23 13:56:06,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 13:56:06,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 13:56:06,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 13:56:06,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 13:56:06,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:56:06" (1/1) ... [2020-12-23 13:56:06,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:56:06" (1/1) ... [2020-12-23 13:56:06,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:56:06" (1/1) ... [2020-12-23 13:56:06,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:56:06" (1/1) ... [2020-12-23 13:56:06,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:56:06" (1/1) ... [2020-12-23 13:56:06,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:56:06" (1/1) ... [2020-12-23 13:56:06,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:56:06" (1/1) ... [2020-12-23 13:56:06,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 13:56:06,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 13:56:06,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 13:56:06,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 13:56:06,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:56:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 13:56:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 13:56:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 13:56:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-23 13:56:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 13:56:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-12-23 13:56:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-12-23 13:56:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 13:56:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 13:56:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 13:56:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 13:56:06,613 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-23 13:56:07,134 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 13:56:07,135 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-23 13:56:07,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:56:07 BoogieIcfgContainer [2020-12-23 13:56:07,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 13:56:07,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 13:56:07,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 13:56:07,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 13:56:07,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:56:05" (1/3) ... [2020-12-23 13:56:07,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3caea7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:56:07, skipping insertion in model container [2020-12-23 13:56:07,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:56:06" (2/3) ... [2020-12-23 13:56:07,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3caea7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:56:07, skipping insertion in model container [2020-12-23 13:56:07,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:56:07" (3/3) ... [2020-12-23 13:56:07,146 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_02-simple_racefree.i [2020-12-23 13:56:07,154 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-23 13:56:07,154 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 13:56:07,160 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 13:56:07,161 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-23 13:56:07,194 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,195 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,195 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,195 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,196 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,196 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,196 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,196 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,196 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,197 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,197 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,197 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,197 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,198 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,198 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,198 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,198 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,200 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,200 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,200 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,200 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,203 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,205 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,206 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,206 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,206 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,207 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:07,214 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-12-23 13:56:07,236 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 13:56:07,263 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:56:07,263 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:56:07,263 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:56:07,263 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:56:07,263 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:56:07,264 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:56:07,264 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:56:07,264 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:56:07,280 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:56:07,283 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 103 transitions, 214 flow [2020-12-23 13:56:07,286 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 103 transitions, 214 flow [2020-12-23 13:56:07,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 103 transitions, 214 flow [2020-12-23 13:56:07,363 INFO L129 PetriNetUnfolder]: 17/134 cut-off events. [2020-12-23 13:56:07,363 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-12-23 13:56:07,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 134 events. 17/134 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 311 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 64. Up to 4 conditions per place. [2020-12-23 13:56:07,375 INFO L116 LiptonReduction]: Number of co-enabled transitions 2016 [2020-12-23 13:56:09,861 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-23 13:56:10,663 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-12-23 13:56:10,791 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-12-23 13:56:11,103 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-12-23 13:56:11,243 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-12-23 13:56:11,766 WARN L197 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-12-23 13:56:11,992 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-23 13:56:12,491 WARN L197 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-12-23 13:56:12,703 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-23 13:56:12,711 INFO L131 LiptonReduction]: Checked pairs total: 3122 [2020-12-23 13:56:12,711 INFO L133 LiptonReduction]: Total number of compositions: 87 [2020-12-23 13:56:12,717 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 33 transitions, 74 flow [2020-12-23 13:56:12,731 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 132 states. [2020-12-23 13:56:12,733 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-12-23 13:56:12,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-23 13:56:12,738 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:56:12,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-23 13:56:12,739 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:56:12,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:56:12,745 INFO L82 PathProgramCache]: Analyzing trace with hash 12430216, now seen corresponding path program 1 times [2020-12-23 13:56:12,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:56:12,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477240413] [2020-12-23 13:56:12,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:56:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:56:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:56:12,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477240413] [2020-12-23 13:56:12,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:56:12,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 13:56:12,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017598388] [2020-12-23 13:56:13,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:56:13,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:56:13,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:56:13,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:56:13,027 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 3 states. [2020-12-23 13:56:13,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:56:13,086 INFO L93 Difference]: Finished difference Result 127 states and 225 transitions. [2020-12-23 13:56:13,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:56:13,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-23 13:56:13,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:56:13,099 INFO L225 Difference]: With dead ends: 127 [2020-12-23 13:56:13,100 INFO L226 Difference]: Without dead ends: 73 [2020-12-23 13:56:13,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:56:13,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-23 13:56:13,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-12-23 13:56:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-23 13:56:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 126 transitions. [2020-12-23 13:56:13,160 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 126 transitions. Word has length 4 [2020-12-23 13:56:13,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:56:13,164 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 126 transitions. [2020-12-23 13:56:13,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:56:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2020-12-23 13:56:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-23 13:56:13,165 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:56:13,165 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-12-23 13:56:13,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 13:56:13,166 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:56:13,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:56:13,166 INFO L82 PathProgramCache]: Analyzing trace with hash -948743814, now seen corresponding path program 1 times [2020-12-23 13:56:13,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:56:13,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50475239] [2020-12-23 13:56:13,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:56:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:56:13,201 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:56:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:56:13,227 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:56:13,274 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 13:56:13,277 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 13:56:13,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 13:56:13,279 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-23 13:56:13,279 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-12-23 13:56:13,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,304 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,304 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,307 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,307 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,314 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,314 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,315 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,315 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,315 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,315 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,316 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,316 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,317 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,318 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,319 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,319 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,319 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,319 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,319 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,320 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,320 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,320 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:13,322 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-12-23 13:56:13,322 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 13:56:13,328 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:56:13,328 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:56:13,328 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:56:13,328 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:56:13,329 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:56:13,329 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:56:13,329 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:56:13,329 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:56:13,335 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:56:13,339 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 133 transitions, 284 flow [2020-12-23 13:56:13,340 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 133 transitions, 284 flow [2020-12-23 13:56:13,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 133 transitions, 284 flow [2020-12-23 13:56:13,413 INFO L129 PetriNetUnfolder]: 31/218 cut-off events. [2020-12-23 13:56:13,414 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-12-23 13:56:13,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 218 events. 31/218 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 647 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 136. Up to 8 conditions per place. [2020-12-23 13:56:13,425 INFO L116 LiptonReduction]: Number of co-enabled transitions 6216 [2020-12-23 13:56:17,029 WARN L197 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-12-23 13:56:17,173 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-12-23 13:56:17,504 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-12-23 13:56:17,650 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-12-23 13:56:18,266 WARN L197 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-12-23 13:56:18,473 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-23 13:56:18,957 WARN L197 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-12-23 13:56:19,167 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-23 13:56:19,213 INFO L131 LiptonReduction]: Checked pairs total: 14100 [2020-12-23 13:56:19,213 INFO L133 LiptonReduction]: Total number of compositions: 109 [2020-12-23 13:56:19,214 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 55 transitions, 128 flow [2020-12-23 13:56:19,321 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2113 states. [2020-12-23 13:56:19,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states. [2020-12-23 13:56:19,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-23 13:56:19,322 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:56:19,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-23 13:56:19,322 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:56:19,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:56:19,323 INFO L82 PathProgramCache]: Analyzing trace with hash 20808327, now seen corresponding path program 1 times [2020-12-23 13:56:19,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:56:19,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445389974] [2020-12-23 13:56:19,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:56:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:56:19,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:56:19,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445389974] [2020-12-23 13:56:19,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:56:19,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 13:56:19,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689875976] [2020-12-23 13:56:19,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:56:19,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:56:19,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:56:19,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:56:19,366 INFO L87 Difference]: Start difference. First operand 2113 states. Second operand 3 states. [2020-12-23 13:56:19,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:56:19,452 INFO L93 Difference]: Finished difference Result 2108 states and 5618 transitions. [2020-12-23 13:56:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:56:19,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-23 13:56:19,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:56:19,476 INFO L225 Difference]: With dead ends: 2108 [2020-12-23 13:56:19,477 INFO L226 Difference]: Without dead ends: 1239 [2020-12-23 13:56:19,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:56:19,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2020-12-23 13:56:19,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1239. [2020-12-23 13:56:19,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1239 states. [2020-12-23 13:56:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 3284 transitions. [2020-12-23 13:56:19,637 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 3284 transitions. Word has length 4 [2020-12-23 13:56:19,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:56:19,637 INFO L481 AbstractCegarLoop]: Abstraction has 1239 states and 3284 transitions. [2020-12-23 13:56:19,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:56:19,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 3284 transitions. [2020-12-23 13:56:19,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-23 13:56:19,639 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:56:19,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:56:19,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 13:56:19,639 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:56:19,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:56:19,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1104129293, now seen corresponding path program 1 times [2020-12-23 13:56:19,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:56:19,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536083245] [2020-12-23 13:56:19,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:56:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:56:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:56:19,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536083245] [2020-12-23 13:56:19,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879126258] [2020-12-23 13:56:19,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:56:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:56:19,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 13:56:19,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:56:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:56:19,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:56:19,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-12-23 13:56:19,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035419959] [2020-12-23 13:56:19,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:56:19,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:56:19,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:56:19,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:56:19,834 INFO L87 Difference]: Start difference. First operand 1239 states and 3284 transitions. Second operand 5 states. [2020-12-23 13:56:19,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:56:19,949 INFO L93 Difference]: Finished difference Result 1203 states and 3215 transitions. [2020-12-23 13:56:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 13:56:19,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-12-23 13:56:19,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:56:19,967 INFO L225 Difference]: With dead ends: 1203 [2020-12-23 13:56:19,967 INFO L226 Difference]: Without dead ends: 1203 [2020-12-23 13:56:19,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:56:19,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2020-12-23 13:56:20,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1203. [2020-12-23 13:56:20,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1203 states. [2020-12-23 13:56:20,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 3215 transitions. [2020-12-23 13:56:20,024 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 3215 transitions. Word has length 8 [2020-12-23 13:56:20,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:56:20,025 INFO L481 AbstractCegarLoop]: Abstraction has 1203 states and 3215 transitions. [2020-12-23 13:56:20,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:56:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 3215 transitions. [2020-12-23 13:56:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-23 13:56:20,026 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:56:20,027 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-12-23 13:56:20,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:56:20,241 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:56:20,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:56:20,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1282817482, now seen corresponding path program 1 times [2020-12-23 13:56:20,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:56:20,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731740836] [2020-12-23 13:56:20,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:56:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:56:20,266 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:56:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:56:20,304 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:56:20,323 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 13:56:20,323 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 13:56:20,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 13:56:20,324 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-23 13:56:20,325 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-12-23 13:56:20,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,339 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,339 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,340 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,340 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,344 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,344 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,344 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,344 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,344 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,346 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,347 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,347 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,347 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,353 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,353 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,361 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,363 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,364 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,367 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,367 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:20,370 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-12-23 13:56:20,370 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 13:56:20,371 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:56:20,372 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:56:20,372 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:56:20,372 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:56:20,372 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:56:20,372 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:56:20,372 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:56:20,372 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:56:20,375 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:56:20,375 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 163 transitions, 356 flow [2020-12-23 13:56:20,375 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 163 transitions, 356 flow [2020-12-23 13:56:20,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 144 places, 163 transitions, 356 flow [2020-12-23 13:56:20,446 INFO L129 PetriNetUnfolder]: 50/333 cut-off events. [2020-12-23 13:56:20,446 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-12-23 13:56:20,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 333 events. 50/333 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1148 event pairs, 1 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 226. Up to 16 conditions per place. [2020-12-23 13:56:20,472 INFO L116 LiptonReduction]: Number of co-enabled transitions 11928 [2020-12-23 13:56:24,436 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-23 13:56:24,654 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-23 13:56:24,766 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-23 13:56:25,017 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-12-23 13:56:25,191 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-12-23 13:56:25,373 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-12-23 13:56:25,541 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-12-23 13:56:25,999 WARN L197 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2020-12-23 13:56:26,228 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-23 13:56:26,690 WARN L197 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2020-12-23 13:56:26,909 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-23 13:56:26,920 INFO L131 LiptonReduction]: Checked pairs total: 32674 [2020-12-23 13:56:26,921 INFO L133 LiptonReduction]: Total number of compositions: 129 [2020-12-23 13:56:26,921 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 74 transitions, 178 flow [2020-12-23 13:56:30,295 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 26221 states. [2020-12-23 13:56:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand 26221 states. [2020-12-23 13:56:30,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-23 13:56:30,296 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:56:30,296 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-23 13:56:30,296 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:56:30,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:56:30,297 INFO L82 PathProgramCache]: Analyzing trace with hash 30695512, now seen corresponding path program 1 times [2020-12-23 13:56:30,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:56:30,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785468959] [2020-12-23 13:56:30,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:56:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:56:30,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:56:30,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785468959] [2020-12-23 13:56:30,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:56:30,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 13:56:30,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304139983] [2020-12-23 13:56:30,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:56:30,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:56:30,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:56:30,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:56:30,323 INFO L87 Difference]: Start difference. First operand 26221 states. Second operand 3 states. [2020-12-23 13:56:30,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:56:30,940 INFO L93 Difference]: Finished difference Result 26216 states and 93058 transitions. [2020-12-23 13:56:30,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:56:30,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-23 13:56:30,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:56:31,297 INFO L225 Difference]: With dead ends: 26216 [2020-12-23 13:56:31,297 INFO L226 Difference]: Without dead ends: 14919 [2020-12-23 13:56:31,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:56:31,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14919 states. [2020-12-23 13:56:32,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14919 to 14919. [2020-12-23 13:56:32,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14919 states. [2020-12-23 13:56:32,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14919 states to 14919 states and 53132 transitions. [2020-12-23 13:56:32,662 INFO L78 Accepts]: Start accepts. Automaton has 14919 states and 53132 transitions. Word has length 4 [2020-12-23 13:56:32,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:56:32,662 INFO L481 AbstractCegarLoop]: Abstraction has 14919 states and 53132 transitions. [2020-12-23 13:56:32,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:56:32,663 INFO L276 IsEmpty]: Start isEmpty. Operand 14919 states and 53132 transitions. [2020-12-23 13:56:32,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-23 13:56:32,663 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:56:32,664 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:56:32,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 13:56:32,664 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:56:32,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:56:32,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1821511721, now seen corresponding path program 1 times [2020-12-23 13:56:32,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:56:32,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407518305] [2020-12-23 13:56:32,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:56:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:56:32,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:56:32,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407518305] [2020-12-23 13:56:32,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574545264] [2020-12-23 13:56:32,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:56:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:56:32,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 13:56:32,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:56:32,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:56:32,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:56:32,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-12-23 13:56:32,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579145645] [2020-12-23 13:56:32,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:56:32,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:56:32,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:56:32,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:56:32,891 INFO L87 Difference]: Start difference. First operand 14919 states and 53132 transitions. Second operand 5 states. [2020-12-23 13:56:33,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:56:33,034 INFO L93 Difference]: Finished difference Result 14883 states and 53063 transitions. [2020-12-23 13:56:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 13:56:33,035 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-12-23 13:56:33,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:56:33,105 INFO L225 Difference]: With dead ends: 14883 [2020-12-23 13:56:33,106 INFO L226 Difference]: Without dead ends: 14883 [2020-12-23 13:56:33,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:56:33,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14883 states. [2020-12-23 13:56:34,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14883 to 14883. [2020-12-23 13:56:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14883 states. [2020-12-23 13:56:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14883 states to 14883 states and 53063 transitions. [2020-12-23 13:56:34,352 INFO L78 Accepts]: Start accepts. Automaton has 14883 states and 53063 transitions. Word has length 8 [2020-12-23 13:56:34,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:56:34,352 INFO L481 AbstractCegarLoop]: Abstraction has 14883 states and 53063 transitions. [2020-12-23 13:56:34,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:56:34,353 INFO L276 IsEmpty]: Start isEmpty. Operand 14883 states and 53063 transitions. [2020-12-23 13:56:34,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-23 13:56:34,354 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:56:34,354 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2020-12-23 13:56:34,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:56:34,570 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:56:34,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:56:34,571 INFO L82 PathProgramCache]: Analyzing trace with hash -535410663, now seen corresponding path program 1 times [2020-12-23 13:56:34,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:56:34,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688094616] [2020-12-23 13:56:34,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:56:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:56:34,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 13:56:34,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688094616] [2020-12-23 13:56:34,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:56:34,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-23 13:56:34,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776214226] [2020-12-23 13:56:34,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:56:34,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:56:34,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:56:34,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:56:34,621 INFO L87 Difference]: Start difference. First operand 14883 states and 53063 transitions. Second operand 3 states. [2020-12-23 13:56:34,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:56:34,727 INFO L93 Difference]: Finished difference Result 14733 states and 52488 transitions. [2020-12-23 13:56:34,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:56:34,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-12-23 13:56:34,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:56:35,029 INFO L225 Difference]: With dead ends: 14733 [2020-12-23 13:56:35,029 INFO L226 Difference]: Without dead ends: 14733 [2020-12-23 13:56:35,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:56:35,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14733 states. [2020-12-23 13:56:35,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14733 to 14733. [2020-12-23 13:56:35,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14733 states. [2020-12-23 13:56:35,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14733 states to 14733 states and 52488 transitions. [2020-12-23 13:56:35,938 INFO L78 Accepts]: Start accepts. Automaton has 14733 states and 52488 transitions. Word has length 12 [2020-12-23 13:56:35,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:56:35,940 INFO L481 AbstractCegarLoop]: Abstraction has 14733 states and 52488 transitions. [2020-12-23 13:56:35,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:56:35,940 INFO L276 IsEmpty]: Start isEmpty. Operand 14733 states and 52488 transitions. [2020-12-23 13:56:35,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 13:56:35,943 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:56:35,943 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-12-23 13:56:35,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 13:56:35,943 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:56:35,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:56:35,944 INFO L82 PathProgramCache]: Analyzing trace with hash -411546851, now seen corresponding path program 1 times [2020-12-23 13:56:35,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:56:35,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867363149] [2020-12-23 13:56:35,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:56:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:56:35,961 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:56:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:56:35,975 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:56:35,985 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 13:56:35,986 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 13:56:35,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 13:56:35,986 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-23 13:56:35,986 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-12-23 13:56:36,001 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,001 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,001 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,002 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,002 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,002 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,002 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,002 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,002 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,003 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,003 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,003 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,003 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,003 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,005 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,005 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,005 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,005 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,005 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,006 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,006 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,006 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,006 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,006 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,007 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,007 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,007 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,007 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,007 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,007 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,008 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,008 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,008 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,008 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,009 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,009 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,014 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,014 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,014 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,014 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,014 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,015 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,015 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,015 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,015 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,015 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,015 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,015 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,021 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,021 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,021 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,022 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,027 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,028 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,030 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,030 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,032 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,033 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,034 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,035 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,036 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:56:36,165 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-23 13:56:36,165 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 13:56:36,168 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:56:36,169 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:56:36,169 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:56:36,169 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:56:36,169 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:56:36,169 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:56:36,169 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:56:36,169 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:56:36,171 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:56:36,171 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 169 places, 193 transitions, 430 flow [2020-12-23 13:56:36,171 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 169 places, 193 transitions, 430 flow [2020-12-23 13:56:36,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 193 transitions, 430 flow [2020-12-23 13:56:36,300 INFO L129 PetriNetUnfolder]: 81/512 cut-off events. [2020-12-23 13:56:36,300 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-12-23 13:56:36,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 512 events. 81/512 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2004 event pairs, 6 based on Foata normal form. 0/426 useless extension candidates. Maximal degree in co-relation 353. Up to 32 conditions per place. [2020-12-23 13:56:36,339 INFO L116 LiptonReduction]: Number of co-enabled transitions 19376 [2020-12-23 13:56:42,119 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2020-12-23 13:56:42,243 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-23 13:56:42,498 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2020-12-23 13:56:42,617 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-23 13:56:43,381 WARN L197 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-12-23 13:56:43,625 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-23 13:56:44,108 WARN L197 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-12-23 13:56:44,339 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-23 13:56:44,355 INFO L131 LiptonReduction]: Checked pairs total: 48231 [2020-12-23 13:56:44,356 INFO L133 LiptonReduction]: Total number of compositions: 152 [2020-12-23 13:56:44,356 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 93 transitions, 230 flow